CN202669391U - Front steering drive axle assembly - Google Patents
Front steering drive axle assembly Download PDFInfo
- Publication number
- CN202669391U CN202669391U CN 201220364696 CN201220364696U CN202669391U CN 202669391 U CN202669391 U CN 202669391U CN 201220364696 CN201220364696 CN 201220364696 CN 201220364696 U CN201220364696 U CN 201220364696U CN 202669391 U CN202669391 U CN 202669391U
- Authority
- CN
- China
- Prior art keywords
- wheel
- axle
- steering
- hub
- reduction gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 28
- 238000010276 construction Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
Images
Landscapes
- Retarders (AREA)
Abstract
The utility model discloses a front steering drive axle assembly, which comprises an axle shell (1), hubs (7), a main reducer with differential assembly and wheelside reducers; the axle shell is provided with an oscillating pin hole (21) which is connected with a vehicle chassis, the two hubs are respectively connected to the left end and the right end of the axle shell through a hub steering structure (3), the middle part of the axle shell is provided with a cavity, the main reducer with differential assembly is installed inside the cavity, two sides of the main reducer with differential assembly are respectively connected with one drive shaft (6) in a rotating way, and the drive shaft is connected with the wheelside reducers on two ends of the axle shell in a rotating way; the axle shell is provided with a wheel steering drive device (4), and the wheel steering drive device is respectively connected with a hub steering structure of each hub; the cross section of the axle shell is of square cavity structure, the edge of a planet shaft (15) is provided with a small hole (3), and each wheelside reducer shell (11) is correspondently provided with a settling tank (31), and an anti-play ball (19) is installed between the hole and the tank; and the outermost side of each wheelside reducer shell is provided with an end cover (20).
Description
Technical field
The utility model relates to a kind of front steering drive axle assembly.
Background technology
Along with the lasting propelling of national Urbanization Construction and capital construction, the producing and selling of construction machinery and equipment, field machine there is obvious promotion, particularly the volume of production and marketing of large-tonnage backhoe loader and large tractor rises obviously.Simultaneously, the technical merit of the field machines such as construction machinery and equipment, trac., manufacturing process etc. have all had significant progress, and the type of the form of employing four wheel drive is more and more general.Simultaneously higher demand has been proposed also the requirements for quality of complete machine.
The work under bad environment of construction machinery and equipment, farm machinery has higher requirements to reliability and the crossing ability of complete machine.Adopt the type of four wheel drive to become trend.
The vehicle bridge deadweight of using at present is larger, and load-carrying capacity is little, and the problem that the leakage of oil of wheel reduction gear place or wheel limit planetary wheel damage etc. affect mechanical quality can occur because structure is not compact.
Summary of the invention
It is larger that the purpose of this utility model provides a kind of load-carrying capacity, and compact conformation, prevents the front steering drive axle assembly of wheel reduction gear leakage of oil.
For solving above-mentioned purpose, the technical solution of the utility model is:
A kind of front steering drive axle assembly comprises axle housing, two wheel hubs, main reduction gear band differential assembly and wheel reduction gears; Described axle housing is girder structure, which is provided with the pendulum pin-and-hole that is connected with vehicle chassis, two wheel hubs are connected to the two ends, the left and right sides of axle housing by the wheel hub steering structure, described axle housing middle part is provided with cavity, main reduction gear band differential assembly is installed in it, described main reduction gear band differential assembly both sides respectively are rotationally connected an axle drive shaft, and drive shaft turns connects the wheel reduction gear at axle housing two ends; Described axle housing is provided with wheel steering drive device, and this wheel steering drive device is connected with the wheel hub steering structure of two wheel hubs respectively;
Described wheel reduction gear comprises hub reducer casing, planetary wheel and the planet wheel spindle that is installed on the wheel hub, and the hub reducer casing inner chamber is provided with the gear ring that is supported by gear ring support, and gear ring support is fixedly mounted on the axle housing; Described planetary wheel is installed on the planet wheel spindle that is fixed on the hub reducer casing, and meshes with gear ring and axle drive shaft;
Described axle housing section is " mouth " font cavity structure, and axle drive shaft connects main reduction gear band differential assembly and the wheel reduction gear at two ends by " mouth " font cavity; Described planet wheel spindle edge has aperture, and hub reducer casing is corresponding has deep gouge, and the Anti-moving ball is installed between hole and the groove; The outermost of described hub reducer casing is provided with end cap.
Beneficial effect is the deadweight that the section of " mouth " font has not only reduced propons, and can improve the bearing load and the performance of passing through that improves car load of whole bridge; And the Anti-moving ball between planet wheel spindle and the hub reducer casing has solved the problem of the inside play of planet wheel spindle, the end cap of hub reducer casing outermost end has solved the problem of the outside play of planet wheel spindle, and planet wheel spindle can not just the problem of wheel reduction gear leakage of oil can not occur by inside and outside play; The utility model front steering drive axle assembly carries out primary speed-down by main reduction gear band differential assembly first, carries out double reduction by wheel reduction gear again, can obtain larger reduction ratio and larger output torque; The utility model front steering drive axle assembly is used as steeraxle and drive axle simultaneously.
As further improvement of the utility model, described wheel steering drive device is steering cylinder, and steering cylinder is rotationally connected steering swivel by steering track rod.Steering track rod drives steering swivel and rotates, and realizes turning function.
Further improve as of the present utility model, described axle housing inblock cast forms.Cast applied widelyly, can guarantee the requirement of dimensional accuracy, simultaneously with low cost, comprehensive economic performance is good.
In sum, the beneficial effects of the utility model are: load-carrying capacity is large, and output torque is large, and is simple in structure, easy installation and removal.
Description of drawings
Fig. 1 is the scheme drawing of the utility model front steering drive axle assembly.
Fig. 2 is that the P of Fig. 1 is to view.
Fig. 3 is the utility model front steering drive axle assembly end construction scheme drawing.
Fig. 4 is the scheme drawing of the utility model front steering drive axle assembly main reduction gear band differential assembly.
Fig. 5 is the scheme drawing of the utility model front steering drive axle assembly axle drive shaft.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further.
To the utility model front steering drive axle assembly shown in Figure 5, comprise axle housing 1, two wheel hubs 7, main reduction gear band differential assembly and wheel reduction gears such as Fig. 1; Described axle housing 1 is the cast-in-block girder structure, which is provided with the pendulum pin-and-hole 21 that is connected with vehicle chassis, two wheel hubs 7 are connected to the two ends, the left and right sides of axle housing 1 by wheel hub steering structure 3, described axle housing 1 middle part is provided with cavity, main reduction gear band differential assembly is installed in it, described main reduction gear band differential assembly both sides respectively are rotationally connected an axle drive shaft 6, and axle drive shaft 6 is rotationally connected the wheel reduction gear at axle housing 1 two ends; Described axle housing 1 is provided with wheel steering drive device 4, and this wheel steering drive device 4 is connected with the wheel hub steering structure 3 of two wheel hubs 7 respectively; Described wheel steering drive device 4 is steering cylinders, and steering cylinder is rotationally connected steering swivel by steering track rod 5.
Described wheel hub steering structure 3 is steering swivels, and steering swivel is connected with wheel hub and is connected by tapered roller bearing 8, also is provided with backing pin 9 and 10, two backing pins of lower backing pin on the steering swivel in opposite directions and coaxial; The two ends, the left and right sides of axle housing 1 are equipped with backing pin installing blind 22 and lower backing pin installing blind 23, and described upper backing pin installing blind 22 is rotationally connected by needle bearing 16 and upper backing pin 9, and lower backing pin installing blind 23 is rotationally connected by oscillating bearing 17 and lower backing pin 10.
Described main reduction gear band differential assembly comprise for the taper driving gear 24 that changes moment of torsion and with the ring gear 25 of its engagement, two planetary wheels 27 and the axle-shaft gear 26 that is meshed with two planetary wheels 27, as shown in Figure 4, taper driving gear 24 holds 35 by main pinion and is installed on the final drive casing 36, final drive casing 36 is fixedly mounted on the axle housing 1, planetary wheel 27 is installed on the differential gear box 33 by compensating-gear shaft 32, compensating-gear shaft 32 usefulness bearing pins 40 are fixed on the differential gear box 33, prevent that compensating-gear shaft 32 and differential gear box 33 from rotating, differential gear box 33 is fixed on the main deceleration shell 36 by differential bearing 34, axle-shaft gear 26 is installed in the differential gear box 33, there is spline axle-shaft gear 26 inside, there is the spline that cooperates with axle-shaft gear 26 axle drive shaft 6 front end outsides, differential bearing 34 outer rings are installed on the final drive casing 36, inner ring is installed on the differential gear box 33, realizes that differential gear box 33 rotates relative to final drive casing 36; Be provided with the gear teeth near the axle drive shaft 6 of main reduction gear band differential assembly one end, and be meshed with the gear teeth in the differential gear box 33; Ring gear 25 is mounted by means of bolts on the differential gear box 33, and the moment of torsion on the taper driving gear 24 is passed to the axle drive shaft 6 of both sides and realizes differential function.
Described wheel reduction gear comprises the hub reducer casing 11 that is installed on the wheel hub 7, planetary wheel 14 and planet wheel spindle 15, hub reducer casing 11 inner chambers are provided with the gear ring 12 that is supported by gear ring support 13, described planetary wheel 14 is installed on the planet wheel spindle 15 by needle roller 18, and with 6 engagements of gear ring 12 and axle drive shaft, planet wheel spindle 15 is installed by interference fit with hub reducer casing 11, because planet wheel spindle 15 is installed by interference fit with hub reducer casing 11, in use, because planetary wheel 14 is stressed, the magnitude of interference of planet wheel spindle 15 and hub reducer casing 11 designs irrational situation lower planet wheel shaft 15 can cause wheel limit leakage of oil or planetary wheel 14 damages of wheel limit by the generation end float misalignments, describedly have aperture 30 at planet wheel spindle 15 edges, hub reducer casing 11 correspondences have a deep gouge 31, Anti-moving ball 19 is installed between hole and the groove, prevent planet wheel spindle 15 inside plaies, outermost at hub reducer casing 11 is provided with end cap 20, prevent planet wheel spindle 15 outside plaies, the planet wheel spindle 15 no longer play thing that also just no longer includes leakage of oil occurs.
Described axle drive shaft 6 is punished into two sections in axle housing 1 outer end, and has constant-velocity universal joint 29 to connect, as shown in Figure 5.
Described axle housing 1 section is " mouth " font cavity structure, when reducing weight, improves whole bridge bearing load, and axle drive shaft 6 connects main reduction gear band differential assembly and the wheel reduction gear at two ends by " mouth " font cavity.
As shown in Figure 4, taper driving gear 24 left sides are provided with the ring gear 25 that is meshed with taper driving gear 24, taper driving gear 24 drives ring gear 25 when rotating and differential gear box 33 rotates, and moment of torsion is passed to the axle drive shaft 6 of arranged on left and right sides, because taper driving gear 24 is different from the number of teeth of ring gear 25, thereby realize the reduction of rotating speed, increase simultaneously output torque.As shown in Figure 3, axle drive shaft 6 is steady with power through constant-velocity universal joint 29, failure-free is passed to wheel reduction gear, wheel reduction gear by three planet wheel spindles 15 with three planetary wheels 14 be fixed on axle drive shaft 6 around, axle drive shaft 6 is positioned at the middle part of three planetary wheels 14, three planetary wheels 14 are meshed with axle drive shaft 6, axle drive shaft 6 drives planetary wheel 14 and rotates, planetary wheel 14 has the trend that gear ring 12 rotates that drives, but gear ring 12 is installed on the gear ring support 13, gear ring support 13 is installed on the axle housing 1 by screw and in fact can not rotates for connecting element, so can only be that axle drive shaft 6 revolves round the sun with hub reducer casing 11 in rotation, hub reducer casing 11 drives wheel hubs 7 and realizes vehicles to overtake.
When turning to, steering cylinder 4 is by pulling and promote the rotation that steering track rod 5 is controlled steering swivels 3, thereby realizes turning to of vehicle.
Complete machine is when the straight-line travelling of smooth-riding surface, and the rotating speed of both sides wheel is consistent, and diff is inoperative; When complete machine turns round or uneven road surface when travelling, the rotating speed of both sides wheel is inconsistent, and this moment, diff worked.
Claims (3)
1. a front steering drive axle assembly comprises axle housing (1), two wheel hubs (7), main reduction gear band differential assembly and wheel reduction gear; Described axle housing (1) is girder structure, which is provided with the pendulum pin-and-hole (21) that is connected with vehicle chassis, two wheel hubs (7) are connected to the two ends, the left and right sides of axle housing (1) by wheel hub steering structure (3), described axle housing (1) middle part is provided with cavity, main reduction gear band differential assembly is installed in it, described main reduction gear band differential assembly both sides respectively are rotationally connected an axle drive shaft (6), and axle drive shaft (6) is rotationally connected the wheel reduction gear at axle housing (1) two ends; Described axle housing (1) is provided with wheel steering drive device (4), and this wheel steering drive device (4) is connected with the wheel hub steering structure (3) of two wheel hubs (7) respectively;
Described wheel reduction gear comprises hub reducer casing (11), planetary wheel (14) and the planet wheel spindle (15) that is installed on the wheel hub (7), hub reducer casing (11) inner chamber is provided with the gear ring (12) that is supported by gear ring support (13), and gear ring support (13) is fixedly mounted on the axle housing (1); Described planetary wheel (14) is installed on the planet wheel spindle (15) that is fixed on the hub reducer casing (11), and meshes with gear ring (12) and axle drive shaft (6);
It is characterized in that: described axle housing (1) section is " mouth " font cavity structure, and axle drive shaft (6) connects main reduction gear band differential assembly and the wheel reduction gear at two ends by " mouth " font cavity; Described planet wheel spindle (15) edge has aperture (30), and hub reducer casing (11) is corresponding has deep gouge (31), and Anti-moving ball (19) is installed between hole and the groove; The outermost of described hub reducer casing (11) is provided with end cap (20).
2. front steering drive axle assembly according to claim 1, it is characterized in that: described wheel steering drive device (4) is steering cylinder, steering cylinder is rotationally connected steering swivel by steering track rod (5).
3. front steering drive axle assembly according to claim 1, it is characterized in that: described axle housing (1) inblock cast forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364696 CN202669391U (en) | 2012-07-25 | 2012-07-25 | Front steering drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364696 CN202669391U (en) | 2012-07-25 | 2012-07-25 | Front steering drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202669391U true CN202669391U (en) | 2013-01-16 |
Family
ID=47490321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220364696 Withdrawn - After Issue CN202669391U (en) | 2012-07-25 | 2012-07-25 | Front steering drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202669391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774239A (en) * | 2012-07-25 | 2012-11-14 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle assembly |
| EP3263371A1 (en) * | 2016-06-27 | 2018-01-03 | Kubota Corporation | Axle device |
| CN112810384A (en) * | 2019-11-18 | 2021-05-18 | 盐城市荣南机械制造有限公司 | Two-section type small-shell paddy field bridge |
-
2012
- 2012-07-25 CN CN 201220364696 patent/CN202669391U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774239A (en) * | 2012-07-25 | 2012-11-14 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle assembly |
| CN102774239B (en) * | 2012-07-25 | 2013-12-04 | 南京创捷和信汽车零部件有限公司 | Front steering drive axle assembly |
| EP3263371A1 (en) * | 2016-06-27 | 2018-01-03 | Kubota Corporation | Axle device |
| CN107539363A (en) * | 2016-06-27 | 2018-01-05 | 株式会社久保田 | Axle device |
| CN107539363B (en) * | 2016-06-27 | 2019-07-12 | 株式会社久保田 | Axle device |
| US10703409B2 (en) | 2016-06-27 | 2020-07-07 | Kubota Corporation | Work vehicle axle device |
| CN112810384A (en) * | 2019-11-18 | 2021-05-18 | 盐城市荣南机械制造有限公司 | Two-section type small-shell paddy field bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102774269B (en) | A kind of Length discrepancy double wishbone suspension wheel hub drive realizing wide-angle and turn to | |
| CN206159406U (en) | Main speed reducer assembly | |
| CN104175861A (en) | Chassis drive system for all-wheel drive and all-wheel steering electric forklift and control method thereof | |
| CN105059056B (en) | Double reduction rear driving axle assembly | |
| CN203567470U (en) | Large-tonnage heavy type automobile steering driving axle | |
| CN102774240B (en) | rear drive axle assembly | |
| CN202703132U (en) | Rear drive axle assembly | |
| CN102774239A (en) | Front steering drive axle assembly | |
| CN202669391U (en) | Front steering drive axle assembly | |
| CN202827144U (en) | Driving axle system for overland engineering truck | |
| CN210617849U (en) | A New Type of Rear Axle with Differential Transmission Between Parallel Shafts | |
| CN202413417U (en) | Integral gate-type middle axle assembly | |
| CN204236240U (en) | Large tractor front steering drive axle | |
| CN102529684A (en) | Wheel-side deceleration driving device of equal-length double wishbone suspension | |
| CN201162810Y (en) | integral differential | |
| CN102887060A (en) | Drive axle of articulated tractor | |
| CN202480779U (en) | Front drive dead axle assembly of electric automobile | |
| CN201261391Y (en) | Rear axle differential assembly of a four-wheeled motorcycle | |
| CN202413416U (en) | Integral gate type steering drive front axle assembly | |
| CN220314719U (en) | Double-power driving steering axle structure, wheel type chassis structure and vehicle | |
| CN203866878U (en) | Driving axle of grader | |
| CN203395118U (en) | Large-tonnage automobile crane transfer case | |
| CN206257249U (en) | Turn to reducing gear | |
| CN208602298U (en) | A kind of motor postposition pure electric vehicle drive axle of heavy truck | |
| CN205632118U (en) | Get power converter assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |